Biotechnology and Its Applications in Agriculture: GMOs and Gene Editing

Agricultural biotechnology has emerged as a transformative force in addressing the dual challenges of global food security and environmental sustainability. The transition from conventional breeding to advanced molecular approaches, including genetically modified organisms (GMOs) and genome editing technologies such as CRISPR-Cas systems, has significantly enhanced the precision, efficiency, and scope of crop improvement. GMOs have contributed to increased productivity, improved resistance to biotic and abiotic stresses, and reduced reliance on chemical inputs, although their deployment remains contested due to biosafety, ecological, and socio-economic concerns. In contrast, genome editing technologies offer targeted and transgene-free modifications, enabling rapid development of improved crop varieties with potentially fewer regulatory constraints. Beyond these approaches, emerging biotechnologies such as synthetic biology, nanotechnology, and bioinformatics are redefining agricultural innovation through system-level interventions, precision input management, and data-driven decision-making. These technologies collectively enhance resource use efficiency, enable real-time crop monitoring, and support the development of climate-resilient agricultural systems. However, their integration into mainstream agriculture requires careful consideration of environmental risks, ethical implications, and regulatory uncertainties. This review critically examines the evolution, applications, and impacts of biotechnology in agriculture, with a focus on GMOs, genome editing, and emerging technological platforms. It further evaluates environmental implications, including biodiversity effects and ecological risks, alongside economic and societal dimensions such as market dynamics, public perception, and policy frameworks. The synthesis highlights the need for balanced innovation that integrates technological advancement with sustainability principles, regulatory transparency, and equitable access.